[ticket/11103] Fix effectively installed check

PHPBB3-11103
[ticket/11103] Case time in queries as an int

PHPBB3-11103
[feature/avatars] Auto-clear avatar dimensions when first changing avatars

In the remote avatar and gravatar the dimension input boxes will now be
cleared when changing the avatar. This will only happen once per
page-load. Any input after the first change will not trigger this.

PHPBB3-10018
[ticket/11103] Don't call generate_board_url many times

Fix a URL and some comments

PHPBB3-11103
[ticket/11103] Few more minor language things

PHPBB3-11103
[ticket/11103] Revert whitespace changes

PHPBB3-11103
Merge remote-tracking branch 'EXreaction/ticket/11103' into develop

# By Nathan Guse (169) and others
# Via Nathan Guse (29) and Nathaniel Guse (7)
* EXreaction/ticket/11103: (217 commits)
  [ticket/11103] Revert whitespace changes
  [ticket/11103] Few more minor language things
  [ticket/11103] Don't call generate_board_url many times
  [ticket/11103] Case time in queries as an int
  [ticket/11103] Fix effectively installed check
  [ticket/11103] Remove padding from notifications for now.
  [ticket/11103] Notifications Migration file
  [ticket/11103] Restore new/unread messages info/link in header (properly)
  [ticket/11103] Add newlines to bottom of css file
  [ticket/11103] HTML encode double arrow character
  [ticket/11103] Add Notification Settings link in flyout menu
  [ticket/11103] Restore new/unread messages info/link in header
  [ticket/11103] Update styling of UCP Notifications in subsilver2
  [ticket/11103] Update styling of UCP Notifications in prosilver
  [ticket/11103] Update styling of subsilver2 notification modal
  [ticket/11103] Update styling of prosilver notification modal
  [ticket/11103] Remove title attribute from notification link
  [ticket/11103] Mark/Unmark All buttons
  [ticket/11103] Make the number of notifications strong if > 0
  [ticket/11103] Rounded Corners and antialiased pointer
  ...
[ticket/10411] Remove ajax delete, so the page is refreshed

Otherwise if you delete a group, you can not readd it to the page.

PHPBB3-10411
[ticket/10411] Fix call to function on non-object $db->...()

PHPBB3-10411
[ticket/11381] Make finder able to search in all available extensions

PHPBB3-11381
[ticket/11363] Fix to make get_module_infos get from all extensions

Depends on 11381

PHPBB3-11363
Merge remote-tracking branch 'EXreaction/ticket/11381' into develop

# By Nathaniel Guse
# Via Nathaniel Guse
* EXreaction/ticket/11381:
  [ticket/11381] Make finder able to search in all available extensions
Merge remote-tracking branch 'EXreaction/ticket/11363-2' into develop

# By Nathaniel Guse
# Via Nathaniel Guse
* EXreaction/ticket/11363-2:
  [ticket/11363] Fix to make get_module_infos get from all extensions
[ticket/11386] Use finder to find migration files

PHPBB3-11386
[ticket/11386] Update tests with new constructors for ext.manager/migrator

PHPBB3-11386
[ticket/11386] Forgot to get the migration classes

PHPBB3-11386
[ticket/11386] Remove tests that check if finder cache is working

These don't seem necessary and are much more complicated to get
working now with the changes in this PR

PHPBB3-11386
[ticket/11386] Fix circular reference error & serialize error

PHPBB3-11386
Merge branch 'develop' of git://github.com/phpbb/phpbb3 into ticket/11386

Conflicts:
	phpBB/includes/extension/finder.php
[ticket/11387] Log module added only after it has been added

PHPBB3-11387